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Allows Heli Pilot to detect and shoot Camo Bloons.
~ In-game description

IFR is the second upgrade of Path 2 for the Heli Pilot in Bloons TD 6. It gives camo detection to the Heli Pilot, allowing it to target and pop Camo Bloons. Also has the benefits of Bigger Jets.

This upgrade costs $510 on Easy, $600 on Medium, $650 on Hard, and $720 on Impoppable. If this tower is nearby Level 6+ Rosalia's workshop, this upgrade costs $??? on Easy, $??? on Medium, $??? on Hard, and $??? on Impoppable.



Ifr camo

IFR Heli Pilot detecting Camo Greens

IFR paints the entire Heli dark grey save for the still-yellow tail, whilst adding dark grey wings with yellow tips. The pilot's cap is now blue, and their goggles, which they wear over their eyes, are tinted green.

All changes to the Heli are retained on crosspath, but past Tier 2 the pilot's eye goggles are not retained. For all crosspaths below Tier 5, the paintwork is the only visual change.

IFR is a simple upgrade, granting Camo Detection on top of the increased Heli movement speed from Bigger Jets, including associated crosspathing benefits from Bigger Jets.

Targeting Priorities[]

Bigger Jets utilizes touch-based mobility and self-mobility to move around the screen with different flight targetings. Its main attack shoots straight movement projectiles, which originate from the Heli Pilot with its independent range like an ordinary tower.

  • Follow Touch / Follow Mouse: Moves to where the player taps. On desktop versions, Follow Touch instead becomes Follow Mouse, which will make the Heli Pilot move to wherever the cursor is currently at.
  • Lock In Place: Stops the Heli Pilot where it is when the Target Priority is selected. Can be adjusted to choose a different locked location.
  • Patrol: Patrols between two spots chosen by the player. Can be adjusted to choose different points.
  • Pursuit: Equivalent to the target priority First, except the Heli Pilot will follow in front of the bloons while shooting them. It is unlocked with the purchase of the second upgrade on the first path, with the same name as the target priority. Once upgraded to the respective upgrade, it automatically switches to this target priority.

The Heli Pilot's main attacks always default on First based on the range of the helicopter's weaponry. Despite gaining camo detection, it does not gain Camo Prioritization.


Updated as of Version 43.0. Listed prices exclude external buffs, any sacrifices, and Monkey Knowledge.
[Module | Data] Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (X-2-X) $510 $600 $650 $720 -
Total (0-2-0) $2,125 $2,500 $2,705 $3,000 $1,488 $1,750 $1,894 $2,100
Crosspath (1-2-0) $2,805 $3,300 $3,570 $3,960 $1,964 $2,310 $2,499 $2,772
Crosspath (2-2-0) $3,230 $3,800 $4,110 $4,560 $2,261 $2,660 $2,877 $3,192
Crosspath (0-2-1) $2,335 $2,750 $2,975 $3,300 $1,635 $1,925 $2,083 $2,310
Crosspath (0-2-2) $2,630 $3,100 $3,355 $3,720 $1,841 $2,170 $2,349 $2,604

This upgrade's prices (or included crosspath's prices) are affected by the following MK: MilitaryConscriptionIcon Military Conscription, AdvancedLogisticsIcon Advanced Logistics, BetterSellDealsIcon Better Sell Deals



IFR adds internal camo detection for the Heli Pilot, allowing it to automatically detect Camo Bloons. It is quite an expensive upgrade, so it is usually wise to hold off purchasing this upgrade until harder camo bloon rounds or if pursuing the Downdraft upgrade.


  • This upgrade is very useful for Camo Rounds, such as Round 42. It is especially good for Round 78 if upgraded to Apache Dartship.
  • While this upgrade only adds Camo detection, it inherits the buffs of Bigger Jets, so this can be a good crosspath if Heli speed is necessary.
  • Using IFR is cheaper than adding a Radar Scanner for purely improving MOAB Shove effects versus DDTs.

Version History[]

Balance Changes[]

IFR was not changed since it was first released in BTD6. The only changes for IFR are based upon previous upgrade Bigger Jets, which are shown here.

  • BUFF Affected by slight Bigger Jets movement speed buff.
  • BUFF Affected by 0-1-3 MOAB Shove crosspath interaction.

Bug Fixes and General Changes[]

Extra Notes (Version History)[]


Official artwork[]